The ZTTO I-spec 2 EV I spec II SpecEV Matchmaker X Integrated Adapter is designed for GX NX SX X01 and M6000 M7100 M6100 Xt SLX shifters. It provides a seamless integration for improved performance and convenience. This lightweight adapter , ensuring minimal impact on your setup while delivering maximum compatibility and reliability. brand , high-quality Lightweight and easy to install Feature: Integrated Adapter Material: aluminium alloy Compatibility: GX NX SX X01, M6000 M7100 M6100 Xt SLX Color: Black Specifications:LR M80X Package Contents: 2 x Variable Speed Integrated Transmission (one on each side) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.